Which Expiration Dates REALLY Matter?

Everyone has at some point pulled something questionable from the fridge, sniffed it, then handed it to someone else asking, “Is this still good?” But sometimes, the “sniff test” just isn’t good enough—especially when you're checking expiration dates of items beyond the fridge—items that, when past their prime, may actually have become useless—or dangerous—without showing any real signs of spoiling. It's important to check and understand a package's expiration date. Read on for the basics.

from Bob Vila : Trusted Home Renovation & Repair Expert

http://www.bobvila.com/expiration-dates-on-food/48353-which-expiration-dates-really-matter/slideshows